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Finding the Fourth Proportional to 264,315.58, 364,589.59 and 156,809.50

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Solution

The fourth proportional to 264,315.58, 364,589.59 and 156,809.50 is: 216,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,315.58 : 364,589.59 = 156,809.50 : x
  2. Step 2: Convert to fraction form
    264,315.58/364,589.59 = 156,809.50/x
  3. Step 3: Cross multiply
    264,315.58x = 364,589.59 × 156,809.50
  4. Step 4: Simplify right side
    264,315.58x = 57,171,111,313.11
  5. Step 5: Solve for x
    x = 57,171,111,313.11/264,315.58
  6. Step 6: Final answer
    x = 216,298.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.